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--TEST--
Bug #75717: RecursiveArrayIterator does not traverse arrays by reference
--FILE--
<?php
function flatten(array $nestedArraysAndStrings){
$flat=[];
$iter = new RecursiveIteratorIterator(
new RecursiveArrayIterator($nestedArraysAndStrings));
foreach($iter as $leaf){ $flat[] = $leaf; }
return join(NULL, $flat);
}
$noRefs = [[[['some']]],[' nested '],"items"];
$withRefs = []+$noRefs;
$wat = $noRefs[0];
$withRefs[0] = &$wat;
echo flatten($noRefs), "\n";
echo flatten($withRefs), "\n";
?>
--EXPECT--
some nested items
some nested items
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